单项选择题
A.be suffered B.suffered C.to suffer D.suffering
A.for B.to C.on D.at
A.who B.which C.whom D.that
A.consequently B.moreover C.thus D.however
A.Be competitive B.Being more competitive C.Being competitive D.To be more competitive
A.is B.was C.are D.were
A.the most perfect B.most perfect C.the most nearly perfect D.the perfects
A.are wrapped;being packed B.are wrapping;packing C.are wrapped;packed D.being wrapped;are packed
A.when B.that C.which D.as
A.such an B.such as C.such a D.such like